natural key是什么意思

网络释义

用法例句

The natural characteristics of plants in garden greening are introduced.

介绍了园林绿化植物的自然特征,强调如何体现园林绿化设计中的统一性,指出园林绿化工作者应运用植物材料形态、质感、色彩这三个主要自然特性,并运用统一六要素艺术手段,从而创造出和谐优美的园林绿化景观。

The natural characteristics are the basis for evaluating typical karst systems.

自然特征是典型岩溶生态系统研究与评价的基础。

In order to solve this problem,a robotic visual servo system is analyzed,and an augmented reality registration algorithm based on natural feature with virtual visual servo technology is proposed.

文中在深入研究机器人视觉伺服系统的基础上,提出了利用虚拟视觉伺服技术、基于自然特征的增强现实注册算法。

The Study on the Natural Features of the Landscape Design of Riverbank Space;

体现自然特征的城市河岸空间景观设计探讨

Research into Chinese rhyme must be based on the characteristics of Chinese, and a clear understanding of its natural features must be acquired first.

汉语韵律研究必须立足于汉语的特点,必须先弄清楚它的自然特征。

In order to make full use the original information of color image, characteristic point check arithmetic operator has been obtained by merging color image RGB components value, which defines the natural feature points and reduces the calculation time.

在分析和研究国内外有关特征点提取算法基础上,对Harris算子进行了改进,通过融合彩色图像的RGB各分量值得到彩色图像的特征点检测算子,确定自然特征点,减少了计算时间;改进当前国内比较普遍使用的DEM格式,提出一种简单、容易理解、占用空间小、运行速度快的DEM格式,并实现了三维漫游。

Water is a product of nature. It has the most nature features of everything.

水是大自然的产物，是万物之中最具自然特征的。

The physical characteristics, especially the surface features, of an area.

地形，地貌某一地区的自然特征，尤指地表特点

On Modernistic Features of Robert Frost s Nature Poems;

论罗伯特·弗洛斯特自然诗的现代特征

a natural process whereby geological features are modified.

地质特征变化的自然过程。

Study on Natural Disasters and Cortrolling and Reducing Disasters in Chongqing;

重庆市自然灾害特征及防灾减灾研究

Study on Characteristics of the Natural Landscape Ecosystems in the Yellow River Beach;

黄河滩区自然景观生态系统特征研究

On the Cultural Traits of the Harmonious Co-existence between the Hani People and Nature;

哈尼族人与自然和谐相处的文化特征

Tourists Behavior Characters in Xinglongshan Mountain Nature Reserve;

兴隆山自然保护区游客行为特征研究

The Traits of the Local Minority Documentary Resources of Natural Sciences in West China;

西部民族地区自然科学文献资源特征

A Floristic Study of Seed Plants on Wang Er bao Nature Reserve;

王二包自然保护区种子植物区系特征

Officer Characteristics and Performance in the Natural Person Controlled Company;

自然人控股公司中的高管特征与绩效

Trait of Natural Human Geography and Chinese Legal Tradition;

自然人文地理与中华法律传统之特征

On the Features of Canyon s Physical Geography and Its Tourism Value;

峡谷的自然地理特征与旅游开发研究

The New Realistic Novel s Aesthetic Characteristic of Naturalism;

“新写实小说”的自然主义美学特征

Dimensionless Quantity Method,Natural Unit Method, Characteristic Quantity;

无量纲化 自然单位法 特征量

A Brief Analysis of the Featuresof the Nature s Stratiform Structure and Circulating Movement;

自然界层次结构与循环运动特征略析

The sentiment for nature and aesthetic characteristics of "Green Mansions;

《绿色大厦》的大自然情结和审美特征

Geologic characteristics of native copper belt in the eastern Tianshan Mt area in Xinjiang

新疆东天山地区自然铜矿带地质特征